1Types::TypeTiny(3)    User Contributed Perl Documentation   Types::TypeTiny(3)
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NAME

6       Types::TypeTiny - type constraints used internally by Type::Tiny
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STATUS

9       This module is covered by the Type-Tiny stability policy.
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DESCRIPTION

12       Dogfooding.
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14       This isn't a real Type::Library-based type library; that would involve
15       too much circularity. But it exports some type constraints which, while
16       designed for use within Type::Tiny, may be more generally useful.
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18   Types
19       "StringLike"
20           Accepts strings and objects overloading stringification.
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22       "HashLike"
23           Accepts hashrefs and objects overloading hashification.
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25       "ArrayLike"
26           Accepts arrayrefs and objects overloading arrayfication.
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28       "CodeLike"
29           Accepts coderefs and objects overloading codification.
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31       "TypeTiny"
32           Accepts blessed Type::Tiny objects.
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34       "_ForeignTypeConstraint"
35           Any reference which to_TypeTiny recognizes as something that can be
36           coerced to a Type::Tiny object.
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38           Yeah, the underscore is included.
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40   Coercion Functions
41       "to_TypeTiny($constraint)"
42           Promotes (or "demotes" if you prefer) a Moose::Meta::TypeConstraint
43           object to a Type::Tiny object.
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45           Can also handle Validation::Class objects. Type constraints built
46           from Validation::Class objects deliberately ignore field filters
47           when they do constraint checking (and go to great lengths to do
48           so); using filters for coercion only. (The behaviour of "coerce" if
49           we don't do that is just too weird!)
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51           Can also handle any object providing "check" and "get_message"
52           methods.  (This includes Mouse::Meta::TypeConstraint objects.) If
53           the object also provides "has_coercion" and "coerce" methods, these
54           will be used too.
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56           Can also handle coderefs (but not blessed coderefs or objects
57           overloading "&{}"). Coderefs are expected to return true iff $_
58           passes the constraint. If $_ fails the type constraint, they may
59           either return false, or die with a helpful error message.
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61   Methods
62       These are implemented so that "Types::TypeTiny->meta->get_type($foo)"
63       works, for rough compatibility with a real Type::Library type library.
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65       "meta"
66       "type_names"
67       "get_type($name)"
68       "has_type($name)"
69       "coercion_names"
70       "get_coercion($name)"
71       "has_coercion($name)"
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BUGS

74       Please report any bugs to
75       <http://rt.cpan.org/Dist/Display.html?Queue=Type-Tiny>.
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SEE ALSO

78       Type::Tiny.
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AUTHOR

81       Toby Inkster <tobyink@cpan.org>.
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84       This software is copyright (c) 2013-2014, 2017-2020 by Toby Inkster.
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86       This is free software; you can redistribute it and/or modify it under
87       the same terms as the Perl 5 programming language system itself.
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DISCLAIMER OF WARRANTIES

90       THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
91       WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
92       MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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96perl v5.30.1                      2020-02-12                Types::TypeTiny(3)
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